CVE-2026-71847

Ruby JSON is a JSON implementation for Ruby. From 2.20.0 until 2.21.2, Ruby's JSON native C extension clears the consumed JSON::ResumableParser input buffer but leaves state.start, state.cursor, and state.end pointing into released storage. When partialvalue reconstructs an incomplete object...

OESA-2026-3293 python-zeroconf security update

Pure Python Multicast DNS Service Discovery Library Bonjour/Avahi compatible Security Fixes: Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.5, DNSIncoming.decodelabelsatoffset recurses once per DNS-name compression pointer, and a single mDNS packet...

kernel security, bug fix, and enhancement update

4.18.0-553.153.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

DEBIAN-CVE-2026-19023

Untrusted pointer dereference in the renderbinoutput function in the h5dump tool in HDF5 before 2.3.0 allows attackers to cause a denial of service via a variable-length string dataset with more than one element dumped in binary mode, which corrupts the per-element stride calculation and causes...

EUVD-2026-53333

nanoMODBUS through v1.23.0 contains an out-of-bounds stack read leading to a wild-pointer write in nmbsreaddeviceidentificationbasic / recvreaddeviceidentificationres in nanomodbus.c. A fixed 3-element stack array order3 = 0,1,2 maps object IDs to buffer indices. The server-supplied objectid fiel...

SUSE-SU-2026:3456-1 Security update for perl-Net-DNS

This update for perl-Net-DNS fixes the following issue - CVE-2026-64194: RFC 1035 compression pointers are followed via recursion with no depth limit established, which can lead to DoS when specially crafted DNS packets are parsed bsc1272214...

CVE-2026-67288 FreeRDP before 3.29.0 Denial of Service via smartcard cache

FreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smartcard cache request decoders that accept NULL NDR pointers for LookupName in SCARDIOCTLREADCACHEA and SCARDIOCTLWRITECACHEA operations. When smartcard emulation is enabled, attackers can send crafted smartcard cache...

CVE-2026-67288

Vulnerability summary: CVE-2026-67288 affects FreeRDP before 3.29.0. A null pointer dereference occurs in smartcard cache request decoders that accept NULL NDR pointers for LookupName in SCARD_IOCTL_READCACHEA and SCARD_IOCTL_WRITECACHEA. When smartcard emulation is enabled, an attacker can send ...

EUVD-2026-51821

FreeRDP before 3.29.0 contains client-side heap use-after-free vulnerabilities in the async update message proxy for RAIL WINDOWSTATEORDER and NOTIFYICONSTATEORDER when AsyncUpdate is enabled. When a malicious or compromised RDP server sends crafted update orders, the message proxy shallow-copies...

PT-2026-76126

libssh2 through 1.11.1, fixed in commit a13bb6c, contains a missing bounds check vulnerability that allows a malicious SSH server to trigger an arbitrary-length heap out-of-bounds read and a free of an uninitialized pointer via the publickey subsystem. In libssh2 publickey list fetch, the version...

PT-2026-66768

HCL iControl was affected by Improper Error Handling vulnerabilities. It involves Out of memory, null pointer exceptions, system call failure, database unavailable, network timeout, and hundreds of other common conditions can cause errors to be generated...

SUSE-SU-2026:3431-1 Security update for perl-Net-DNS

This update for perl-Net-DNS fixes the following issue - CVE-2026-64194: RFC 1035 compression pointers are followed via recursion with no depth limit established, which can lead to DoS when specially crafted DNS packets are parsed bsc1272214...

CVE-2026-54522

MessagePack for Ruby is an implementation of the MessagePack binary serialization format. Prior to 1.8.2, MessagePack::Bufferclear in ext/msgpack/buffer.c leaves rmemlast, rmemend, and rmemowner stale after msgpackbuffershiftchunk returns an rmem page to the shared pool, allowing a subsequent...

AZL-94449 CVE-2026-54522 affecting package rubygem-msgpack for versions less than 1.8.4-1

MessagePack for Ruby is an implementation of the MessagePack binary serialization format. Prior to 1.8.2, MessagePack::Bufferclear in ext/msgpack/buffer.c leaves rmemlast, rmemend, and rmemowner stale after msgpackbuffershiftchunk returns an rmem page to the shared pool, allowing a subsequent...

CVE-2026-54522

MessagePack for Ruby is an implementation of the MessagePack binary serialization format. Prior to 1.8.2, MessagePack::Bufferclear in ext/msgpack/buffer.c leaves rmemlast, rmemend, and rmemowner stale after msgpackbuffershiftchunk returns an rmem page to the shared pool, allowing a subsequent...

PT-2026-65493

Missing mutex synchronization in AudioBuffer::freeSpace in schreibfaul1 ESP32-audioI2S 3.4.5 creates a race condition between concurrent tasks. The function calculates available buffer space without protecting shared read/write pointers, returning an incorrectly large value. Trusting this value...

CVE-2026-66034

A missing bounds check in the libssh2 publickey subsystem allows malicious SSH servers to trigger a client-side out-of-bounds read, leaking heap pointers that could enable security bypasses, denial of service, or code execution. Mitigation To mitigate this, strictly avoid connecting to untrusted...

UBUNTU-CVE-2026-64320

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page nvmetexecutediscgetlogpage validates only the dword alignment of the host-supplied Log Page Offset lpo. The 64-bit offset is then added to a small kzalloc'd...

EUVD-2026-48966

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes Reject invalid net.ipv4.tcpreordering values before they reach TCP socket state. The sysctl is stored as an int but copied into the u32 tp-reordering field for new...

SUSE CVE-2026-64216

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix potential UAF in netfsunlockabandonedreadpages netfsunlockabandonedreadpagesrreq accesses the index of the folios it is wanting to unlock and compares that to rreq-nounlockfolio so that it doesn't unlock a folio being...